Home / 18,452.18-27,652.35-13,838.42

Finding the Fourth Proportional to 18,452.18, 27,652.35 and 13,838.42

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Solution

The fourth proportional to 18,452.18, 27,652.35 and 13,838.42 is: 20,738.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,452.18 : 27,652.35 = 13,838.42 : x
  2. Step 2: Convert to fraction form
    18,452.18/27,652.35 = 13,838.42/x
  3. Step 3: Cross multiply
    18,452.18x = 27,652.35 × 13,838.42
  4. Step 4: Simplify right side
    18,452.18x = 382,664,833.29
  5. Step 5: Solve for x
    x = 382,664,833.29/18,452.18
  6. Step 6: Final answer
    x = 20,738.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.